Definition: Given a 'poster' sentence and a corresponding 'response' (often, from Facebook or Reddit)classify the sentiment of the given response into four categories: 1) Positive, 2) Negative, 3) Neutral, and 4) Mixed if it contains both positive and negative.
Input: Poster: won today with Yaroslava Shvedova, day off tomorrow, and quarter finals on Wednesday!!  Responser: I'm the Capitals announcer, and would really like to introduce you as a Wimbledon Champion. Keep Going!!!

Positive